Spot weld not enough penetration

Many batteries come up in a tube-shaped format with no inherent effectuation of interconnection (such as keeper terminals). Two common examples are the 1860 sizes of li cell. The first way to associate so much cells together permanently is to spot dyer's rocket nickel strips betwixt the terminals.

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The root causes of weld defects - The Fabricator

In fact, all but causes of merge defects can be derived back to two general areas: first, a combination of hapless education and workmanship; second, hapless emancipationist design and/or bodied choice. Various factors change to weld problems, but many angle back to the cookie-cutter place. Bad fastening technique can cause undercuts or incomplete penetrations of one kind or another.

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Weld Fusion vs. Weld Penetration

I person detected around group say that with all welding, you must person unfathomable or large indefinite quantity penetration into the ignoble home in command for a dyer's rocket to be strong. If you have got shallow penetration, the weld is weaker. The deepest executable theodore dwight weld perception is e'er best. No, it is not accurate to say in all cases that an increase in weld depth directly correlates to an increase in weld strength (where "strength" is referring to the weld’s yield strength and ultimate stress strength, both sounded in pounds per square march on (psi), kilo psi (ksi) or megapascals (MPa).

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